Postweaning performance of Holstein calves fed milk replacer or whole milk and steam flaked corn in starters

Revista Brasileira de Zootecnia

Bagaldo, Adriana Regina³  Mattos, Wilson Roberto Soates¹  Pires, Alexandre Vaz¹  Susin, Ivanete¹  Meyer, Paula Marques² 

[1] USP;IBGE;UFBA, Salvador

关键词: grain processing;    milk substitute;    starch;    weaning    Introdução O amido é o principal componente energético dos grãos de cereais (55 a 77%);    consistindo em importante fonte de energia para o desenvolvimento de bezerros;   

DOI  :  10.1590/S1516-35982006000300031

学科分类：兽医学

来源: Universidade Federal de Vicosa

【 摘 要 】

Growth performance was evaluated in 72 Holstein calves fed milk replacer or whole milk diet and a starter containing steam-flaked corn at: 283, 360 or 437 g/L. The animals were blocked by birth and sex in a 2 x 3 factorial design. Enzymatic in vitro starch availability of the steam-flaked corn decreased as grain densities increased. During the post-weaning period, there was no effect of the processed corn at the different densities and type of the liquid diet on dry matter intake, daily body gain, feed conversion and age when calves started eating corn silage (when the starter intake reached 2500 g/day). Calves fed milk replacer during pre-weaning period showed the lowest body weight at 120 days old (108.9 vs. 118.5 kg).

【 授权许可】

CC BY-NC